superstructure

su·per·struc·ture

1. A physical or conceptual structure extended or developed from a basic form.
2. The part of a building or other structure above the foundation.
3. The parts of a ship's structure above the main deck.
4. The rails, sleepers, and other parts of a railway.
5. In Marxist theory, the ideologies or institutions of a society as distinct from the basic processes and direct social relations of material production and economics.